GPT and cholestasis: She became symptomatic at the age of five years with jaundice and UCB elevation (UCB = 198 μmol/L, conjugated bilirubin = 2 μmol/L), elevated transaminase levels (AST = 134 U/L, ALT = 201 U/L), as well as elevated cholestasis parameters (alkaline phosphatase (AP) = 438 U/L, GGT = 438 U/L).